Professional Summary

Lead AI Researcher and Solutions Architect with over 7 years of experience in technical management and execution of R&D projects in Artificial Intelligence, Computer Vision, and Data Engineering.

Solid background in leading multidisciplinary teams, from conception and architecture definition to the deployment of solutions in Edge Computing (NVIDIA Jetson) and Cloud environments. Specialist in developing and integrating AI pipelines and intelligent systems (IoT, sensors) for industrial and agricultural applications (Agritech).

Proficient in interfacing with stakeholders, developing technical proposals, and conducting applied research to solve complex business challenges.

Professional Experience

Researcher III / Lead AI Researcher Sept. 2025 – Present
SENAI-SP | São Paulo, SP
  • Technical Leadership & Management: Leading the AI team, coordinating applied research and experimental projects focused on real industrial problems, defining strategic R&D directions.
  • Solution Architecture: Active participation in designing complex industrial solution architectures, integrating AI, Computer Vision, and data pipelines (ETL, MLOps, Data Lakehouse).
  • Technical mentorship of the team in developing and evaluating AI models, promoting data literacy.
  • Drafting technical proposals for fundraising, demonstrating the ability to translate technical solutions into business value.
  • Multidisciplinary Interface: Acting as a mediator between data/AI strategy and technical execution.
Senior Software Developer & Team Leader (Edge AI & Computer Vision) Aug. 2021 – Aug. 2025
Grupo Jacto (Agritech) | Pompeia, SP
  • Technical Leadership: Managed the Edge AI and Computer Vision team, defining R&D architectures and strategies in Precision Agriculture.
  • LLMs & GenAI: Experience in development, fine-tuning, and deployment of LLMs for automation agents and customer intelligence.
  • Electronic Traps Project:
    • Managed project and developed embedded software and AI cloud infrastructure (AWS Lambda, S3, RDS) for pest counting.
    • Concept and validation of IoT hardware/software architecture from design to homologation.
    • Generated insights on infestation and climate, optimizing pesticide application (Operational KPIs).
  • Edge AI Projects:
    • Developed stereo vision system (ZED Camera) for real-time coffee volume calculation on harvesters.
    • Optimized and deployed Deep Learning models on NVIDIA Jetson modules for weed identification and selective spraying (DeepStream SDK), reducing costs and inputs.
  • Image Processing (Cloud - Drone/Satellite):
    • Implemented large-scale Deep Learning algorithms for weed identification using PySpark for distributed image processing.
    • Generated application maps and agronomic insights from aerial imagery.
  • Built and maintained data pipelines and MLOps (Python, PySpark, Docker, Git), ensuring data quality and scalability.
  • Mentored developers using Agile methodologies (SCRUM, Kanban).
Postgraduate Professor in Artificial Intelligence 2024
Universidade de Marília (Unimar) | Marília, SP
  • Structured and taught postgraduate modules in AI, focusing on industrial applications of Computer Vision and Deep Learning.
Technical Commercial Consultant Oct. 2016 – Mar. 2018
FULLTIME Gestora de Dados | Marília, SP
  • Worked in a software company focused on security and vehicle tracking solutions based on IoT devices.
  • Responsible for the technical interface with clients, bridging the gap between commercial/functional needs and technical software delivery.
Master's Fellow in Electrical Engineering Apr. 2018 – Jun. 2019
UNESP Bauru | Bauru, SP
  • Direct involvement in academic R&D, focusing on developing and validating Machine Learning (ML) and Deep Learning (DL) algorithms for Agritech applications.
  • Created models for disease/pest identification and weed eradication.

Education

Post-Doctorate in Computer Science Aug. 2025 – Present
Faculdade de Ciências (UNESP) | Bauru, SP

Focus: Artificial Intelligence and Digital Twins.

PhD in Electrical Engineering Jul. 2019 – Jul. 2023
Universidade Estadual Paulista (UNESP) | Bauru, SP

Thesis: Deep Neural Networks with Weight Reduction for Low-Cost Hardware Applied to Invasive Species Identification in Cultivars.

Master's in Electrical Engineering Aug. 2016 – May 2019
Universidade Estadual Paulista (UNESP) | Bauru, SP

Dissertation: Weed classification in image databases using convolutional neural networks.

Sandwich Graduation in Mechatronics Engineering Jan. 2014 – Dec. 2014
De Montfort University | Leicester, UK
Technologist in Industrial Mechatronics Aug. 2012 – Dec. 2015
Faculdade de Tecnologia de Garça (FATEC) | Garça, SP

Technical Skills

Data Engineering & Architecture

Python / PySpark (Mastery), ETL/ELT, Data Modeling (Dimensional/Relacional), Data Warehousing, Data Lakehouse, MLOps

Cloud & Platforms

AWS (Lambda, S3, RDS, SageMaker), Docker, Azure & Databricks (Knowledge), SQL

AI & ML/DL

Computer Vision, Deep Learning, GenAI/LLMs (Agents & Commercial Apps), Algorithm Optimization

Management & Leadership

R&D Technical Leadership, Stakeholder Interface, Solutions Architecture, Adoption KPIs

Industry & Tech

Agritech (Expert), IoT & Edge AI (NVIDIA Jetson), Geospatial Technologies

Languages

Portuguese (Native), English (Fluent/Advanced), Spanish (Intermediate)

Publications & Conferences

Towards Using Vision Language Models for Urban Tree Analysis Danilo Jodas, Giovani Candido, João Manesco, Gabriel Garcia, Luiz Marques Junior, João Papa. Applied Computing Conference 2025 (Accepted)
Smart Agricultural Weed Management: Real-Time Weed Detection on Low-Cost Embedded Devices Using Quantized YOLO MARQUES JUNIOR, L. C.; ULSON, J. A. C. 16th IEEE/IAS International Conference on Industry Applications (INDUSCON), 2025
Automated Detection of Diaphorina Citri using Computer Vision for HLB Management (Translated) MARQUES JUNIOR, L. C., COSTALONGA, J. L. M., SILVA, L. O., LEMOS, T. F. P., BENDINELLI, W. Brazilian Fruit Culture Congress, 2025
Real Time Weed detection using Computer vision and Deep learning MARQUES JUNIOR, L. C.; ULSON, J. A. C. INDUSCON - IEEE, 2021
Use of Convolutional Neural Networks in Vegetable Species Classification Processes in the Soy Agroindustry (Translated) MARQUES JUNIOR, L. C.; ULSON, J. A. C. INDUSCON - IEEE, 2018

Books

Digital Systems (Sistemas Digitais) MARQUES JUNIOR, L. C. Unimar, 2022